คณิตคิดเร็ว | Baamboozle - Baamboozle | The Most Fun Classroom Games!

คณิตคิดเร็ว

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12,000 + 3,000 – 1,500 = 

13,500

20,000 - 1,000 + 5,000 = 

24,000

35,000 - 5,000 + 9,500 = 

39,500

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